@misc{Kaliszewski_Ignacy_Real,
 author={Kaliszewski, Ignacy and Miroforidis, Janusz},
 howpublished={online},
 publisher={Publishing House of the University of Economics in Katowice},
 language={eng},
 title={Real and virtual Pareto set upper approximations},
 type={czasopismo},
 keywords={evolutionary algorithms, lower Pareto set approximations, upper Pareto set approximations},
}